PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-23:12:50
G01     319.4          18.2                6.7 +/-    0.96      15.3 +/-    0.96  0.200 / 0.310
G08     261.5          14.4                9.6 +/-    1.49      24.3 +/-    1.49  0.210 / 0.350
G10     78.1           52.4                8.8 +/-    1.20      10.8 +/-    1.20  0.100 / 0.320
G11     306.1          20.7                5.4 +/-    7.75      11.7 +/-    7.75  0.110 / 0.330
G14     283.8          68.6                8.5 +/-    0.63       9.1 +/-    0.63  0.040 / 0.060
G18     306.3          39.6                8.0 +/-    0.65      11.8 +/-    0.65  0.060 / 0.060
G20     104.5          29.2                9.1 +/-    0.89      16.3 +/-    0.89  0.130 / 0.240
G27     225.4          10.4               13.5 +/-    1.92      37.3 +/-    1.92  0.150 / 0.250
G31     175.0          40.9               11.4 +/-    1.16      16.4 +/-    1.16  0.050 / 0.100
G32     5.1            68.7                8.2 +/-    0.49       8.8 +/-    0.49  0.050 / 0.080